NATIONAL GEOGRAPHIC 8X25 COMPACT BINOCULAR

Description

The National Geographic 8×25 Compact Binocular is a lightweight, pocket-sized optic designed for easy portability on outdoor adventures. With 8x magnification and 25 mm objective lenses, it brings distant subjects closer while delivering a useful field of view, making it ideal for hiking, travel, birdwatching, nature observation, sporting events, or concerts. The roof prism design keeps the binoculars slim and compact enough to slip into a pocket or pack.

Key Features

Premium BaK-4 prisms and fully coated optics for bright, clear images with good contrast.

Waterproof and fog-proof (nitrogen-purged) construction for reliable performance in varied weather.

Extremely compact and lightweight for convenient everyday carry.

Central focusing wheel and diopter adjustment for sharp, personalized viewing.

Twist-up eyecups suitable for spectacle wearers.

Rubber-armoured body for a secure grip and added durability.

Tripod adapter thread for steady, extended observation.

Includes nylon case, carrying strap, and instruction manual.

Technical Specifications

Optical design: Roof prism

Magnification: 8x

Objective lens diameter: 25 mm

Prism material: BaK-4

Coating: Fully coated

Field of view at 1000 m: 118 m (approx. 6.8 degrees)

Relative brightness: 9.8

Twilight factor: approx. 14.1 (or listed as 1.8 in some sources – typical calculation yields ~14)

Interpupillary distance: 56–74 mm

Eyecups: Twist-up

Body: Rubber-armoured, black

Dimensions: approximately 115–120 x 110–115 x 44–45 mm

Weight: approximately 300–320 g

These compact binoculars offer a practical combination of optical quality, weather resistance, and portability for users who want clear views without the bulk of larger models.

Additional information